#login{width:700px;position: absolute;bottom:200px;left: 25%;}
.login_logo{left:40%;position: absolute;bottom:350px;width:200px;height:75px;margin:auto;background: url("/Public/Ym.png");}
#error_show{
	text-align: center;
	width: 600px;
	line-height: 100px;
	height: 100px;
}